**Gold Rush | 13×13 is a 13-day endurance project celebrating the natural diversity of California.** From April 20th to May 2nd, 2026, Seth Wilmoth will run 13 marathon-distance routes across each of California’s EPA Level III ecoregions — from redwood forests to high desert basins to coastal mountains.

This project is rooted in a lifelong connection to California’s landscapes and the belief in the power of outdoor spaces to inspire, restore, and bring people together.

All donations raised here support **California State Parks Foundation**, helping protect and expand access to California’s state parks through trail restoration, habitat conservation, youth programs, and community stewardship initiatives.

Thank you for being part of this journey and supporting the public lands that make projects like this possible.

Gold Rush | 13×13: Supporting California State Parks

We are a nonprofit dedicated to protecting and advocating for California's 280 state parks. CSPF is your voice for parks.

With over 130,000 members, CSPF is the only statewide independent nonprofit organization dedicated to protecting, enhancing and advocating for California’s magn…ificent state parks. Since 1969, CSPF has raised more than $223 million to benefit state parks. CSPF is committed to improving the quality of life for all Californians by expanding access to the natural beauty, rich culture and history, and recreational and educational opportunities offered by California’s 280 state parks—one of the largest state park system in the United States.

California State Parks Foundation

Seth - Your incredible superhuman dedication & support for CA State Parks is inspiring! We love you & the great outdoors ❤️ 

Congrats Seth! Been following your journey and you’re an inspiration - such a great cause

Go crush it, Seth!! So amazed by everything you’ve accomplished for CA State Parks!

go Seth! Such a fantastic cause to follow along and join in! Proud of you brother!

Never had a bad time at a California State Park. Cheers to the parks 🫡

Zinger after zinger this is awesome you’re so awesome!! 

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Gold Rush | 13×13: Supporting California State Parks

Donors

California State Parks Foundation